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8#include <linux/init.h>
9#include <linux/delay.h>
10#include <linux/slab.h>
11#include <linux/mutex.h>
12#include <linux/module.h>
13#include <linux/pm.h>
14#include <linux/pm_runtime.h>
15#include <sound/core.h>
16#include <sound/hda_codec.h>
17#include <sound/asoundef.h>
18#include <sound/tlv.h>
19#include <sound/initval.h>
20#include <sound/jack.h>
21#include "hda_local.h"
22#include "hda_beep.h"
23#include "hda_jack.h"
24#include <sound/hda_hwdep.h>
25#include <sound/hda_component.h>
26
27#define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core)
28#define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core)
29#define codec_has_epss(codec) \
30 ((codec)->core.power_caps & AC_PWRST_EPSS)
31#define codec_has_clkstop(codec) \
32 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
33
34
35
36
37static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
38 unsigned int flags, unsigned int *res)
39{
40 struct hda_codec *codec = container_of(dev, struct hda_codec, core);
41 struct hda_bus *bus = codec->bus;
42 int err;
43
44 if (cmd == ~0)
45 return -1;
46
47 again:
48 snd_hda_power_up_pm(codec);
49 mutex_lock(&bus->core.cmd_mutex);
50 if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
51 bus->no_response_fallback = 1;
52 err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
53 cmd, res);
54 bus->no_response_fallback = 0;
55 mutex_unlock(&bus->core.cmd_mutex);
56 snd_hda_power_down_pm(codec);
57 if (!codec_in_pm(codec) && res && err == -EAGAIN) {
58 if (bus->response_reset) {
59 codec_dbg(codec,
60 "resetting BUS due to fatal communication error\n");
61 snd_hda_bus_reset(bus);
62 }
63 goto again;
64 }
65
66 if (!err || codec_in_pm(codec))
67 bus->response_reset = 0;
68 return err;
69}
70
71
72
73
74
75
76
77
78
79void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
80{
81 for (; seq->nid; seq++)
82 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
83}
84EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
85
86
87struct hda_conn_list {
88 struct list_head list;
89 int len;
90 hda_nid_t nid;
91 hda_nid_t conns[];
92};
93
94
95static struct hda_conn_list *
96lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
97{
98 struct hda_conn_list *p;
99 list_for_each_entry(p, &codec->conn_list, list) {
100 if (p->nid == nid)
101 return p;
102 }
103 return NULL;
104}
105
106static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
107 const hda_nid_t *list)
108{
109 struct hda_conn_list *p;
110
111 p = kmalloc(struct_size(p, conns, len), GFP_KERNEL);
112 if (!p)
113 return -ENOMEM;
114 p->len = len;
115 p->nid = nid;
116 memcpy(p->conns, list, len * sizeof(hda_nid_t));
117 list_add(&p->list, &codec->conn_list);
118 return 0;
119}
120
121static void remove_conn_list(struct hda_codec *codec)
122{
123 while (!list_empty(&codec->conn_list)) {
124 struct hda_conn_list *p;
125 p = list_first_entry(&codec->conn_list, typeof(*p), list);
126 list_del(&p->list);
127 kfree(p);
128 }
129}
130
131
132static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
133{
134 hda_nid_t list[32];
135 hda_nid_t *result = list;
136 int len;
137
138 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
139 if (len == -ENOSPC) {
140 len = snd_hda_get_num_raw_conns(codec, nid);
141 result = kmalloc_array(len, sizeof(hda_nid_t), GFP_KERNEL);
142 if (!result)
143 return -ENOMEM;
144 len = snd_hda_get_raw_connections(codec, nid, result, len);
145 }
146 if (len >= 0)
147 len = snd_hda_override_conn_list(codec, nid, len, result);
148 if (result != list)
149 kfree(result);
150 return len;
151}
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166
167
168int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
169 const hda_nid_t **listp)
170{
171 bool added = false;
172
173 for (;;) {
174 int err;
175 const struct hda_conn_list *p;
176
177
178 p = lookup_conn_list(codec, nid);
179 if (p) {
180 if (listp)
181 *listp = p->conns;
182 return p->len;
183 }
184 if (snd_BUG_ON(added))
185 return -EINVAL;
186
187 err = read_and_add_raw_conns(codec, nid);
188 if (err < 0)
189 return err;
190 added = true;
191 }
192}
193EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
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205
206
207int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
208 hda_nid_t *conn_list, int max_conns)
209{
210 const hda_nid_t *list;
211 int len = snd_hda_get_conn_list(codec, nid, &list);
212
213 if (len > 0 && conn_list) {
214 if (len > max_conns) {
215 codec_err(codec, "Too many connections %d for NID 0x%x\n",
216 len, nid);
217 return -EINVAL;
218 }
219 memcpy(conn_list, list, len * sizeof(hda_nid_t));
220 }
221
222 return len;
223}
224EXPORT_SYMBOL_GPL(snd_hda_get_connections);
225
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236
237
238int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
239 const hda_nid_t *list)
240{
241 struct hda_conn_list *p;
242
243 p = lookup_conn_list(codec, nid);
244 if (p) {
245 list_del(&p->list);
246 kfree(p);
247 }
248
249 return add_conn_list(codec, nid, len, list);
250}
251EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
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262
263
264int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
265 hda_nid_t nid, int recursive)
266{
267 const hda_nid_t *conn;
268 int i, nums;
269
270 nums = snd_hda_get_conn_list(codec, mux, &conn);
271 for (i = 0; i < nums; i++)
272 if (conn[i] == nid)
273 return i;
274 if (!recursive)
275 return -1;
276 if (recursive > 10) {
277 codec_dbg(codec, "too deep connection for 0x%x\n", nid);
278 return -1;
279 }
280 recursive++;
281 for (i = 0; i < nums; i++) {
282 unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
283 if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
284 continue;
285 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
286 return i;
287 }
288 return -1;
289}
290EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
291
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298
299
300unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
301{
302 unsigned int wcaps = get_wcaps(codec, nid);
303 unsigned int parm;
304
305 if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
306 get_wcaps_type(wcaps) != AC_WID_PIN)
307 return 0;
308
309 parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
310 if (parm == -1)
311 parm = 0;
312 return parm & AC_DEV_LIST_LEN_MASK;
313}
314EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
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324
325
326int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
327 u8 *dev_list, int max_devices)
328{
329 unsigned int parm;
330 int i, dev_len, devices;
331
332 parm = snd_hda_get_num_devices(codec, nid);
333 if (!parm)
334 return 0;
335
336 dev_len = parm + 1;
337 dev_len = dev_len < max_devices ? dev_len : max_devices;
338
339 devices = 0;
340 while (devices < dev_len) {
341 if (snd_hdac_read(&codec->core, nid,
342 AC_VERB_GET_DEVICE_LIST, devices, &parm))
343 break;
344
345 for (i = 0; i < 8; i++) {
346 dev_list[devices] = (u8)parm;
347 parm >>= 4;
348 devices++;
349 if (devices >= dev_len)
350 break;
351 }
352 }
353 return devices;
354}
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364
365int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
366{
367
368 if (!codec->dp_mst)
369 return 0;
370
371 return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
372}
373EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
374
375
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377
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380
381
382
383int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
384{
385 int ret, num_devices;
386
387
388 if (!codec->dp_mst)
389 return 0;
390
391
392 num_devices = snd_hda_get_num_devices(codec, nid) + 1;
393
394
395
396
397 if (num_devices == 1)
398 return 0;
399
400
401
402
403 if (num_devices <= dev_id)
404 return -EINVAL;
405
406 ret = snd_hda_codec_write(codec, nid, 0,
407 AC_VERB_SET_DEVICE_SEL, dev_id);
408
409 return ret;
410}
411EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
412
413
414
415
416static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
417{
418 int i;
419 hda_nid_t nid;
420
421 codec->wcaps = kmalloc_array(codec->core.num_nodes, 4, GFP_KERNEL);
422 if (!codec->wcaps)
423 return -ENOMEM;
424 nid = codec->core.start_nid;
425 for (i = 0; i < codec->core.num_nodes; i++, nid++)
426 codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
427 nid, AC_PAR_AUDIO_WIDGET_CAP);
428 return 0;
429}
430
431
432static int read_pin_defaults(struct hda_codec *codec)
433{
434 hda_nid_t nid;
435
436 for_each_hda_codec_node(nid, codec) {
437 struct hda_pincfg *pin;
438 unsigned int wcaps = get_wcaps(codec, nid);
439 unsigned int wid_type = get_wcaps_type(wcaps);
440 if (wid_type != AC_WID_PIN)
441 continue;
442 pin = snd_array_new(&codec->init_pins);
443 if (!pin)
444 return -ENOMEM;
445 pin->nid = nid;
446 pin->cfg = snd_hda_codec_read(codec, nid, 0,
447 AC_VERB_GET_CONFIG_DEFAULT, 0);
448
449
450
451
452 pin->ctrl = snd_hda_codec_read(codec, nid, 0,
453 AC_VERB_GET_PIN_WIDGET_CONTROL,
454 0);
455 }
456 return 0;
457}
458
459
460static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
461 struct snd_array *array,
462 hda_nid_t nid)
463{
464 struct hda_pincfg *pin;
465 int i;
466
467 snd_array_for_each(array, i, pin) {
468 if (pin->nid == nid)
469 return pin;
470 }
471 return NULL;
472}
473
474
475
476
477int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
478 hda_nid_t nid, unsigned int cfg)
479{
480 struct hda_pincfg *pin;
481
482
483
484
485
486
487
488
489
490
491 pin = look_up_pincfg(codec, list, nid);
492 if (!pin) {
493 pin = snd_array_new(list);
494 if (!pin)
495 return -ENOMEM;
496 pin->nid = nid;
497 }
498 pin->cfg = cfg;
499 return 0;
500}
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510
511
512int snd_hda_codec_set_pincfg(struct hda_codec *codec,
513 hda_nid_t nid, unsigned int cfg)
514{
515 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
516}
517EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
518
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526
527
528unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
529{
530 struct hda_pincfg *pin;
531
532#ifdef CONFIG_SND_HDA_RECONFIG
533 {
534 unsigned int cfg = 0;
535 mutex_lock(&codec->user_mutex);
536 pin = look_up_pincfg(codec, &codec->user_pins, nid);
537 if (pin)
538 cfg = pin->cfg;
539 mutex_unlock(&codec->user_mutex);
540 if (cfg)
541 return cfg;
542 }
543#endif
544 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
545 if (pin)
546 return pin->cfg;
547 pin = look_up_pincfg(codec, &codec->init_pins, nid);
548 if (pin)
549 return pin->cfg;
550 return 0;
551}
552EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
553
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561
562
563
564int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
565 unsigned int val)
566{
567 struct hda_pincfg *pin;
568
569 pin = look_up_pincfg(codec, &codec->init_pins, nid);
570 if (!pin)
571 return -EINVAL;
572 pin->target = val;
573 return 0;
574}
575EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
576
577
578
579
580
581
582int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
583{
584 struct hda_pincfg *pin;
585
586 pin = look_up_pincfg(codec, &codec->init_pins, nid);
587 if (!pin)
588 return 0;
589 return pin->target;
590}
591EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
592
593
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595
596
597
598
599
600void snd_hda_shutup_pins(struct hda_codec *codec)
601{
602 const struct hda_pincfg *pin;
603 int i;
604
605
606
607
608 if (codec->bus->shutdown)
609 return;
610 snd_array_for_each(&codec->init_pins, i, pin) {
611
612 snd_hda_codec_read(codec, pin->nid, 0,
613 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
614 }
615 codec->pins_shutup = 1;
616}
617EXPORT_SYMBOL_GPL(snd_hda_shutup_pins);
618
619#ifdef CONFIG_PM
620
621static void restore_shutup_pins(struct hda_codec *codec)
622{
623 const struct hda_pincfg *pin;
624 int i;
625
626 if (!codec->pins_shutup)
627 return;
628 if (codec->bus->shutdown)
629 return;
630 snd_array_for_each(&codec->init_pins, i, pin) {
631 snd_hda_codec_write(codec, pin->nid, 0,
632 AC_VERB_SET_PIN_WIDGET_CONTROL,
633 pin->ctrl);
634 }
635 codec->pins_shutup = 0;
636}
637#endif
638
639static void hda_jackpoll_work(struct work_struct *work)
640{
641 struct hda_codec *codec =
642 container_of(work, struct hda_codec, jackpoll_work.work);
643
644
645 if (!codec->jackpoll_interval && snd_hdac_is_power_on(&codec->core))
646 return;
647
648
649 snd_hda_power_up_pm(codec);
650
651 if (codec->jackpoll_interval) {
652 snd_hda_jack_set_dirty_all(codec);
653 snd_hda_jack_poll_all(codec);
654 }
655 snd_hda_power_down_pm(codec);
656
657 if (!codec->jackpoll_interval)
658 return;
659
660 schedule_delayed_work(&codec->jackpoll_work,
661 codec->jackpoll_interval);
662}
663
664
665static void free_init_pincfgs(struct hda_codec *codec)
666{
667 snd_array_free(&codec->driver_pins);
668#ifdef CONFIG_SND_HDA_RECONFIG
669 snd_array_free(&codec->user_pins);
670#endif
671 snd_array_free(&codec->init_pins);
672}
673
674
675
676
677struct hda_cvt_setup {
678 hda_nid_t nid;
679 u8 stream_tag;
680 u8 channel_id;
681 u16 format_id;
682 unsigned char active;
683 unsigned char dirty;
684};
685
686
687static struct hda_cvt_setup *
688get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
689{
690 struct hda_cvt_setup *p;
691 int i;
692
693 snd_array_for_each(&codec->cvt_setups, i, p) {
694 if (p->nid == nid)
695 return p;
696 }
697 p = snd_array_new(&codec->cvt_setups);
698 if (p)
699 p->nid = nid;
700 return p;
701}
702
703
704
705
706void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
707{
708 if (refcount_dec_and_test(&pcm->codec->pcm_ref))
709 wake_up(&pcm->codec->remove_sleep);
710}
711EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
712
713struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
714 const char *fmt, ...)
715{
716 struct hda_pcm *pcm;
717 va_list args;
718
719 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
720 if (!pcm)
721 return NULL;
722
723 pcm->codec = codec;
724 va_start(args, fmt);
725 pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
726 va_end(args);
727 if (!pcm->name) {
728 kfree(pcm);
729 return NULL;
730 }
731
732 list_add_tail(&pcm->list, &codec->pcm_list_head);
733 refcount_inc(&codec->pcm_ref);
734 return pcm;
735}
736EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
737
738
739
740
741void snd_hda_codec_disconnect_pcms(struct hda_codec *codec)
742{
743 struct hda_pcm *pcm;
744
745 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
746 if (pcm->disconnected)
747 continue;
748 if (pcm->pcm)
749 snd_device_disconnect(codec->card, pcm->pcm);
750 snd_hda_codec_pcm_put(pcm);
751 pcm->disconnected = 1;
752 }
753}
754
755static void codec_release_pcms(struct hda_codec *codec)
756{
757 struct hda_pcm *pcm, *n;
758
759 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
760 list_del(&pcm->list);
761 if (pcm->pcm)
762 snd_device_free(pcm->codec->card, pcm->pcm);
763 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
764 kfree(pcm->name);
765 kfree(pcm);
766 }
767}
768
769void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
770{
771 if (codec->registered) {
772
773 pm_runtime_get_noresume(hda_codec_dev(codec));
774 pm_runtime_disable(hda_codec_dev(codec));
775 codec->registered = 0;
776 }
777
778 snd_hda_codec_disconnect_pcms(codec);
779 cancel_delayed_work_sync(&codec->jackpoll_work);
780 if (!codec->in_freeing)
781 snd_hda_ctls_clear(codec);
782 codec_release_pcms(codec);
783 snd_hda_detach_beep_device(codec);
784 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
785 snd_hda_jack_tbl_clear(codec);
786 codec->proc_widget_hook = NULL;
787 codec->spec = NULL;
788
789
790 snd_array_free(&codec->driver_pins);
791 snd_array_free(&codec->cvt_setups);
792 snd_array_free(&codec->spdif_out);
793 snd_array_free(&codec->verbs);
794 codec->preset = NULL;
795 codec->follower_dig_outs = NULL;
796 codec->spdif_status_reset = 0;
797 snd_array_free(&codec->mixers);
798 snd_array_free(&codec->nids);
799 remove_conn_list(codec);
800 snd_hdac_regmap_exit(&codec->core);
801 codec->configured = 0;
802 refcount_set(&codec->pcm_ref, 1);
803}
804EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup_for_unbind);
805
806static unsigned int hda_set_power_state(struct hda_codec *codec,
807 unsigned int power_state);
808
809
810void snd_hda_codec_display_power(struct hda_codec *codec, bool enable)
811{
812 if (codec->display_power_control)
813 snd_hdac_display_power(&codec->bus->core, codec->addr, enable);
814}
815
816
817void snd_hda_codec_register(struct hda_codec *codec)
818{
819 if (codec->registered)
820 return;
821 if (device_is_registered(hda_codec_dev(codec))) {
822 snd_hda_codec_display_power(codec, true);
823 pm_runtime_enable(hda_codec_dev(codec));
824
825 snd_hda_power_down(codec);
826 codec->registered = 1;
827 }
828}
829
830static int snd_hda_codec_dev_register(struct snd_device *device)
831{
832 snd_hda_codec_register(device->device_data);
833 return 0;
834}
835
836static int snd_hda_codec_dev_free(struct snd_device *device)
837{
838 struct hda_codec *codec = device->device_data;
839
840 codec->in_freeing = 1;
841
842
843
844
845
846 if (codec->core.type == HDA_DEV_LEGACY)
847 snd_hdac_device_unregister(&codec->core);
848 snd_hda_codec_display_power(codec, false);
849
850
851
852
853
854 if (codec->core.type == HDA_DEV_LEGACY)
855 put_device(hda_codec_dev(codec));
856
857 return 0;
858}
859
860static void snd_hda_codec_dev_release(struct device *dev)
861{
862 struct hda_codec *codec = dev_to_hda_codec(dev);
863
864 free_init_pincfgs(codec);
865 snd_hdac_device_exit(&codec->core);
866 snd_hda_sysfs_clear(codec);
867 kfree(codec->modelname);
868 kfree(codec->wcaps);
869
870
871
872
873
874 if (codec->core.type == HDA_DEV_LEGACY)
875 kfree(codec);
876}
877
878#define DEV_NAME_LEN 31
879
880static int snd_hda_codec_device_init(struct hda_bus *bus, struct snd_card *card,
881 unsigned int codec_addr, struct hda_codec **codecp)
882{
883 char name[DEV_NAME_LEN];
884 struct hda_codec *codec;
885 int err;
886
887 dev_dbg(card->dev, "%s: entry\n", __func__);
888
889 if (snd_BUG_ON(!bus))
890 return -EINVAL;
891 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
892 return -EINVAL;
893
894 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
895 if (!codec)
896 return -ENOMEM;
897
898 sprintf(name, "hdaudioC%dD%d", card->number, codec_addr);
899 err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr);
900 if (err < 0) {
901 kfree(codec);
902 return err;
903 }
904
905 codec->core.type = HDA_DEV_LEGACY;
906 *codecp = codec;
907
908 return err;
909}
910
911
912
913
914
915
916
917
918
919
920int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
921 unsigned int codec_addr, struct hda_codec **codecp)
922{
923 int ret;
924
925 ret = snd_hda_codec_device_init(bus, card, codec_addr, codecp);
926 if (ret < 0)
927 return ret;
928
929 return snd_hda_codec_device_new(bus, card, codec_addr, *codecp);
930}
931EXPORT_SYMBOL_GPL(snd_hda_codec_new);
932
933int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
934 unsigned int codec_addr, struct hda_codec *codec)
935{
936 char component[31];
937 hda_nid_t fg;
938 int err;
939 static const struct snd_device_ops dev_ops = {
940 .dev_register = snd_hda_codec_dev_register,
941 .dev_free = snd_hda_codec_dev_free,
942 };
943
944 dev_dbg(card->dev, "%s: entry\n", __func__);
945
946 if (snd_BUG_ON(!bus))
947 return -EINVAL;
948 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
949 return -EINVAL;
950
951 codec->core.dev.release = snd_hda_codec_dev_release;
952 codec->core.exec_verb = codec_exec_verb;
953
954 codec->bus = bus;
955 codec->card = card;
956 codec->addr = codec_addr;
957 mutex_init(&codec->spdif_mutex);
958 mutex_init(&codec->control_mutex);
959 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
960 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
961 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
962 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
963 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
964 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
965 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
966 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
967 INIT_LIST_HEAD(&codec->conn_list);
968 INIT_LIST_HEAD(&codec->pcm_list_head);
969 refcount_set(&codec->pcm_ref, 1);
970 init_waitqueue_head(&codec->remove_sleep);
971
972 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
973 codec->depop_delay = -1;
974 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
975
976#ifdef CONFIG_PM
977 codec->power_jiffies = jiffies;
978#endif
979
980 snd_hda_sysfs_init(codec);
981
982 if (codec->bus->modelname) {
983 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
984 if (!codec->modelname) {
985 err = -ENOMEM;
986 goto error;
987 }
988 }
989
990 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
991 err = read_widget_caps(codec, fg);
992 if (err < 0)
993 goto error;
994 err = read_pin_defaults(codec);
995 if (err < 0)
996 goto error;
997
998
999 hda_set_power_state(codec, AC_PWRST_D0);
1000 codec->core.dev.power.power_state = PMSG_ON;
1001
1002 snd_hda_codec_proc_new(codec);
1003
1004 snd_hda_create_hwdep(codec);
1005
1006 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
1007 codec->core.subsystem_id, codec->core.revision_id);
1008 snd_component_add(card, component);
1009
1010 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
1011 if (err < 0)
1012 goto error;
1013
1014
1015 pm_runtime_forbid(&codec->core.dev);
1016
1017 return 0;
1018
1019 error:
1020 put_device(hda_codec_dev(codec));
1021 return err;
1022}
1023EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
1024
1025
1026
1027
1028
1029
1030
1031
1032int snd_hda_codec_update_widgets(struct hda_codec *codec)
1033{
1034 hda_nid_t fg;
1035 int err;
1036
1037 err = snd_hdac_refresh_widgets(&codec->core);
1038 if (err < 0)
1039 return err;
1040
1041
1042
1043
1044 kfree(codec->wcaps);
1045 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1046 err = read_widget_caps(codec, fg);
1047 if (err < 0)
1048 return err;
1049
1050 snd_array_free(&codec->init_pins);
1051 err = read_pin_defaults(codec);
1052
1053 return err;
1054}
1055EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1056
1057
1058static void update_pcm_stream_id(struct hda_codec *codec,
1059 struct hda_cvt_setup *p, hda_nid_t nid,
1060 u32 stream_tag, int channel_id)
1061{
1062 unsigned int oldval, newval;
1063
1064 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1065 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1066 newval = (stream_tag << 4) | channel_id;
1067 if (oldval != newval)
1068 snd_hda_codec_write(codec, nid, 0,
1069 AC_VERB_SET_CHANNEL_STREAMID,
1070 newval);
1071 p->stream_tag = stream_tag;
1072 p->channel_id = channel_id;
1073 }
1074}
1075
1076
1077static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1078 hda_nid_t nid, int format)
1079{
1080 unsigned int oldval;
1081
1082 if (p->format_id != format) {
1083 oldval = snd_hda_codec_read(codec, nid, 0,
1084 AC_VERB_GET_STREAM_FORMAT, 0);
1085 if (oldval != format) {
1086 msleep(1);
1087 snd_hda_codec_write(codec, nid, 0,
1088 AC_VERB_SET_STREAM_FORMAT,
1089 format);
1090 }
1091 p->format_id = format;
1092 }
1093}
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1104 u32 stream_tag,
1105 int channel_id, int format)
1106{
1107 struct hda_codec *c;
1108 struct hda_cvt_setup *p;
1109 int type;
1110 int i;
1111
1112 if (!nid)
1113 return;
1114
1115 codec_dbg(codec,
1116 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1117 nid, stream_tag, channel_id, format);
1118 p = get_hda_cvt_setup(codec, nid);
1119 if (!p)
1120 return;
1121
1122 if (codec->patch_ops.stream_pm)
1123 codec->patch_ops.stream_pm(codec, nid, true);
1124 if (codec->pcm_format_first)
1125 update_pcm_format(codec, p, nid, format);
1126 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1127 if (!codec->pcm_format_first)
1128 update_pcm_format(codec, p, nid, format);
1129
1130 p->active = 1;
1131 p->dirty = 0;
1132
1133
1134 type = get_wcaps_type(get_wcaps(codec, nid));
1135 list_for_each_codec(c, codec->bus) {
1136 snd_array_for_each(&c->cvt_setups, i, p) {
1137 if (!p->active && p->stream_tag == stream_tag &&
1138 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1139 p->dirty = 1;
1140 }
1141 }
1142}
1143EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1144
1145static void really_cleanup_stream(struct hda_codec *codec,
1146 struct hda_cvt_setup *q);
1147
1148
1149
1150
1151
1152
1153
1154void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1155 int do_now)
1156{
1157 struct hda_cvt_setup *p;
1158
1159 if (!nid)
1160 return;
1161
1162 if (codec->no_sticky_stream)
1163 do_now = 1;
1164
1165 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1166 p = get_hda_cvt_setup(codec, nid);
1167 if (p) {
1168
1169
1170
1171
1172 if (do_now)
1173 really_cleanup_stream(codec, p);
1174 else
1175 p->active = 0;
1176 }
1177}
1178EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1179
1180static void really_cleanup_stream(struct hda_codec *codec,
1181 struct hda_cvt_setup *q)
1182{
1183 hda_nid_t nid = q->nid;
1184 if (q->stream_tag || q->channel_id)
1185 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1186 if (q->format_id)
1187 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1188);
1189 memset(q, 0, sizeof(*q));
1190 q->nid = nid;
1191 if (codec->patch_ops.stream_pm)
1192 codec->patch_ops.stream_pm(codec, nid, false);
1193}
1194
1195
1196static void purify_inactive_streams(struct hda_codec *codec)
1197{
1198 struct hda_codec *c;
1199 struct hda_cvt_setup *p;
1200 int i;
1201
1202 list_for_each_codec(c, codec->bus) {
1203 snd_array_for_each(&c->cvt_setups, i, p) {
1204 if (p->dirty)
1205 really_cleanup_stream(c, p);
1206 }
1207 }
1208}
1209
1210#ifdef CONFIG_PM
1211
1212static void hda_cleanup_all_streams(struct hda_codec *codec)
1213{
1214 struct hda_cvt_setup *p;
1215 int i;
1216
1217 snd_array_for_each(&codec->cvt_setups, i, p) {
1218 if (p->stream_tag)
1219 really_cleanup_stream(codec, p);
1220 }
1221}
1222#endif
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1241{
1242 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1243 nid = codec->core.afg;
1244 return snd_hda_param_read(codec, nid,
1245 direction == HDA_OUTPUT ?
1246 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1247}
1248EXPORT_SYMBOL_GPL(query_amp_caps);
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1260 int dir, unsigned int bits)
1261{
1262 if (!nid)
1263 return false;
1264 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1265 if (query_amp_caps(codec, nid, dir) & bits)
1266 return true;
1267 return false;
1268}
1269EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1285 unsigned int caps)
1286{
1287 unsigned int parm;
1288
1289 snd_hda_override_wcaps(codec, nid,
1290 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1291 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1292 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1293}
1294EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1295
1296static unsigned int encode_amp(struct hda_codec *codec, hda_nid_t nid,
1297 int ch, int dir, int idx)
1298{
1299 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1300
1301
1302 if ((query_amp_caps(codec, nid, dir) &
1303 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1304 cmd |= AC_AMP_FAKE_MUTE;
1305 return cmd;
1306}
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1321 int ch, int dir, int idx, int mask, int val)
1322{
1323 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1324
1325 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1326}
1327EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1342 int direction, int idx, int mask, int val)
1343{
1344 int ch, ret = 0;
1345
1346 if (snd_BUG_ON(mask & ~0xff))
1347 mask &= 0xff;
1348 for (ch = 0; ch < 2; ch++)
1349 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1350 idx, mask, val);
1351 return ret;
1352}
1353EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1370 int dir, int idx, int mask, int val)
1371{
1372 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1373
1374 if (!codec->core.regmap)
1375 return -EINVAL;
1376 return snd_hdac_regmap_update_raw_once(&codec->core, cmd, mask, val);
1377}
1378EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1392 int dir, int idx, int mask, int val)
1393{
1394 int ch, ret = 0;
1395
1396 if (snd_BUG_ON(mask & ~0xff))
1397 mask &= 0xff;
1398 for (ch = 0; ch < 2; ch++)
1399 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1400 idx, mask, val);
1401 return ret;
1402}
1403EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1404
1405static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1406 unsigned int ofs)
1407{
1408 u32 caps = query_amp_caps(codec, nid, dir);
1409
1410 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1411 if (ofs < caps)
1412 caps -= ofs;
1413 return caps;
1414}
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1425 struct snd_ctl_elem_info *uinfo)
1426{
1427 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1428 u16 nid = get_amp_nid(kcontrol);
1429 u8 chs = get_amp_channels(kcontrol);
1430 int dir = get_amp_direction(kcontrol);
1431 unsigned int ofs = get_amp_offset(kcontrol);
1432
1433 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1434 uinfo->count = chs == 3 ? 2 : 1;
1435 uinfo->value.integer.min = 0;
1436 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1437 if (!uinfo->value.integer.max) {
1438 codec_warn(codec,
1439 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1440 nid, kcontrol->id.name);
1441 return -EINVAL;
1442 }
1443 return 0;
1444}
1445EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1446
1447
1448static inline unsigned int
1449read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1450 int ch, int dir, int idx, unsigned int ofs)
1451{
1452 unsigned int val;
1453 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1454 val &= HDA_AMP_VOLMASK;
1455 if (val >= ofs)
1456 val -= ofs;
1457 else
1458 val = 0;
1459 return val;
1460}
1461
1462static inline int
1463update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1464 int ch, int dir, int idx, unsigned int ofs,
1465 unsigned int val)
1466{
1467 unsigned int maxval;
1468
1469 if (val > 0)
1470 val += ofs;
1471
1472 maxval = get_amp_max_value(codec, nid, dir, 0);
1473 if (val > maxval)
1474 val = maxval;
1475 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1476 HDA_AMP_VOLMASK, val);
1477}
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1488 struct snd_ctl_elem_value *ucontrol)
1489{
1490 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1491 hda_nid_t nid = get_amp_nid(kcontrol);
1492 int chs = get_amp_channels(kcontrol);
1493 int dir = get_amp_direction(kcontrol);
1494 int idx = get_amp_index(kcontrol);
1495 unsigned int ofs = get_amp_offset(kcontrol);
1496 long *valp = ucontrol->value.integer.value;
1497
1498 if (chs & 1)
1499 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1500 if (chs & 2)
1501 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1502 return 0;
1503}
1504EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1515 struct snd_ctl_elem_value *ucontrol)
1516{
1517 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1518 hda_nid_t nid = get_amp_nid(kcontrol);
1519 int chs = get_amp_channels(kcontrol);
1520 int dir = get_amp_direction(kcontrol);
1521 int idx = get_amp_index(kcontrol);
1522 unsigned int ofs = get_amp_offset(kcontrol);
1523 long *valp = ucontrol->value.integer.value;
1524 int change = 0;
1525
1526 if (chs & 1) {
1527 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1528 valp++;
1529 }
1530 if (chs & 2)
1531 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1532 return change;
1533}
1534EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1535
1536
1537static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1538{
1539 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1540 hda_nid_t nid = get_amp_nid(kcontrol);
1541 int dir = get_amp_direction(kcontrol);
1542 unsigned int ofs = get_amp_offset(kcontrol);
1543 bool min_mute = get_amp_min_mute(kcontrol);
1544 u32 caps, val1, val2;
1545
1546 caps = query_amp_caps(codec, nid, dir);
1547 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1548 val2 = (val2 + 1) * 25;
1549 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1550 val1 += ofs;
1551 val1 = ((int)val1) * ((int)val2);
1552 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1553 val2 |= TLV_DB_SCALE_MUTE;
1554 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1555 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1556 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1557 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1558}
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1571 unsigned int size, unsigned int __user *_tlv)
1572{
1573 unsigned int tlv[4];
1574
1575 if (size < 4 * sizeof(unsigned int))
1576 return -ENOMEM;
1577 get_ctl_amp_tlv(kcontrol, tlv);
1578 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1579 return -EFAULT;
1580 return 0;
1581}
1582EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1596 unsigned int *tlv)
1597{
1598 u32 caps;
1599 int nums, step;
1600
1601 caps = query_amp_caps(codec, nid, dir);
1602 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1603 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1604 step = (step + 1) * 25;
1605 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1606 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1607 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1608 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1609}
1610EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1611
1612
1613static struct snd_kcontrol *
1614find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1615{
1616 struct snd_ctl_elem_id id;
1617 memset(&id, 0, sizeof(id));
1618 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1619 id.device = dev;
1620 id.index = idx;
1621 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1622 return NULL;
1623 strcpy(id.name, name);
1624 return snd_ctl_find_id(codec->card, &id);
1625}
1626
1627
1628
1629
1630
1631
1632
1633
1634struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1635 const char *name)
1636{
1637 return find_mixer_ctl(codec, name, 0, 0);
1638}
1639EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1640
1641static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1642 int start_idx)
1643{
1644 int i, idx;
1645
1646 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1647 if (!find_mixer_ctl(codec, name, 0, idx))
1648 return idx;
1649 }
1650 return -EBUSY;
1651}
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1673 struct snd_kcontrol *kctl)
1674{
1675 int err;
1676 unsigned short flags = 0;
1677 struct hda_nid_item *item;
1678
1679 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1680 flags |= HDA_NID_ITEM_AMP;
1681 if (nid == 0)
1682 nid = get_amp_nid_(kctl->private_value);
1683 }
1684 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1685 nid = kctl->id.subdevice & 0xffff;
1686 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1687 kctl->id.subdevice = 0;
1688 err = snd_ctl_add(codec->card, kctl);
1689 if (err < 0)
1690 return err;
1691 item = snd_array_new(&codec->mixers);
1692 if (!item)
1693 return -ENOMEM;
1694 item->kctl = kctl;
1695 item->nid = nid;
1696 item->flags = flags;
1697 return 0;
1698}
1699EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1713 unsigned int index, hda_nid_t nid)
1714{
1715 struct hda_nid_item *item;
1716
1717 if (nid > 0) {
1718 item = snd_array_new(&codec->nids);
1719 if (!item)
1720 return -ENOMEM;
1721 item->kctl = kctl;
1722 item->index = index;
1723 item->nid = nid;
1724 return 0;
1725 }
1726 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1727 kctl->id.name, kctl->id.index, index);
1728 return -EINVAL;
1729}
1730EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1731
1732
1733
1734
1735
1736void snd_hda_ctls_clear(struct hda_codec *codec)
1737{
1738 int i;
1739 struct hda_nid_item *items = codec->mixers.list;
1740
1741 down_write(&codec->card->controls_rwsem);
1742 for (i = 0; i < codec->mixers.used; i++)
1743 snd_ctl_remove(codec->card, items[i].kctl);
1744 up_write(&codec->card->controls_rwsem);
1745 snd_array_free(&codec->mixers);
1746 snd_array_free(&codec->nids);
1747}
1748
1749
1750
1751
1752
1753
1754
1755int snd_hda_lock_devices(struct hda_bus *bus)
1756{
1757 struct snd_card *card = bus->card;
1758 struct hda_codec *codec;
1759
1760 spin_lock(&card->files_lock);
1761 if (card->shutdown)
1762 goto err_unlock;
1763 card->shutdown = 1;
1764 if (!list_empty(&card->ctl_files))
1765 goto err_clear;
1766
1767 list_for_each_codec(codec, bus) {
1768 struct hda_pcm *cpcm;
1769 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1770 if (!cpcm->pcm)
1771 continue;
1772 if (cpcm->pcm->streams[0].substream_opened ||
1773 cpcm->pcm->streams[1].substream_opened)
1774 goto err_clear;
1775 }
1776 }
1777 spin_unlock(&card->files_lock);
1778 return 0;
1779
1780 err_clear:
1781 card->shutdown = 0;
1782 err_unlock:
1783 spin_unlock(&card->files_lock);
1784 return -EINVAL;
1785}
1786EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1787
1788
1789
1790
1791
1792void snd_hda_unlock_devices(struct hda_bus *bus)
1793{
1794 struct snd_card *card = bus->card;
1795
1796 spin_lock(&card->files_lock);
1797 card->shutdown = 0;
1798 spin_unlock(&card->files_lock);
1799}
1800EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812int snd_hda_codec_reset(struct hda_codec *codec)
1813{
1814 struct hda_bus *bus = codec->bus;
1815
1816 if (snd_hda_lock_devices(bus) < 0)
1817 return -EBUSY;
1818
1819
1820 device_release_driver(hda_codec_dev(codec));
1821
1822
1823 snd_hda_unlock_devices(bus);
1824 return 0;
1825}
1826
1827typedef int (*map_follower_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1828
1829
1830static int map_followers(struct hda_codec *codec, const char * const *followers,
1831 const char *suffix, map_follower_func_t func, void *data)
1832{
1833 struct hda_nid_item *items;
1834 const char * const *s;
1835 int i, err;
1836
1837 items = codec->mixers.list;
1838 for (i = 0; i < codec->mixers.used; i++) {
1839 struct snd_kcontrol *sctl = items[i].kctl;
1840 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1841 continue;
1842 for (s = followers; *s; s++) {
1843 char tmpname[sizeof(sctl->id.name)];
1844 const char *name = *s;
1845 if (suffix) {
1846 snprintf(tmpname, sizeof(tmpname), "%s %s",
1847 name, suffix);
1848 name = tmpname;
1849 }
1850 if (!strcmp(sctl->id.name, name)) {
1851 err = func(codec, data, sctl);
1852 if (err)
1853 return err;
1854 break;
1855 }
1856 }
1857 }
1858 return 0;
1859}
1860
1861static int check_follower_present(struct hda_codec *codec,
1862 void *data, struct snd_kcontrol *sctl)
1863{
1864 return 1;
1865}
1866
1867
1868static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1869{
1870 struct snd_ctl_elem_value *ucontrol;
1871 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1872 if (!ucontrol)
1873 return -ENOMEM;
1874 ucontrol->value.integer.value[0] = val;
1875 ucontrol->value.integer.value[1] = val;
1876 kctl->put(kctl, ucontrol);
1877 kfree(ucontrol);
1878 return 0;
1879}
1880
1881struct follower_init_arg {
1882 struct hda_codec *codec;
1883 int step;
1884};
1885
1886
1887static int init_follower_0dB(struct snd_kcontrol *follower,
1888 struct snd_kcontrol *kctl,
1889 void *_arg)
1890{
1891 struct follower_init_arg *arg = _arg;
1892 int _tlv[4];
1893 const int *tlv = NULL;
1894 int step;
1895 int val;
1896
1897 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1898 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1899 codec_err(arg->codec,
1900 "Unexpected TLV callback for follower %s:%d\n",
1901 kctl->id.name, kctl->id.index);
1902 return 0;
1903 }
1904 get_ctl_amp_tlv(kctl, _tlv);
1905 tlv = _tlv;
1906 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1907 tlv = kctl->tlv.p;
1908
1909 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1910 return 0;
1911
1912 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1913 step &= ~TLV_DB_SCALE_MUTE;
1914 if (!step)
1915 return 0;
1916 if (arg->step && arg->step != step) {
1917 codec_err(arg->codec,
1918 "Mismatching dB step for vmaster follower (%d!=%d)\n",
1919 arg->step, step);
1920 return 0;
1921 }
1922
1923 arg->step = step;
1924 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1925 if (val > 0) {
1926 put_kctl_with_value(follower, val);
1927 return val;
1928 }
1929
1930 return 0;
1931}
1932
1933
1934static int init_follower_unmute(struct snd_kcontrol *follower,
1935 struct snd_kcontrol *kctl,
1936 void *_arg)
1937{
1938 return put_kctl_with_value(follower, 1);
1939}
1940
1941static int add_follower(struct hda_codec *codec,
1942 void *data, struct snd_kcontrol *follower)
1943{
1944 return snd_ctl_add_follower(data, follower);
1945}
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1968 unsigned int *tlv, const char * const *followers,
1969 const char *suffix, bool init_follower_vol,
1970 unsigned int access, struct snd_kcontrol **ctl_ret)
1971{
1972 struct snd_kcontrol *kctl;
1973 int err;
1974
1975 if (ctl_ret)
1976 *ctl_ret = NULL;
1977
1978 err = map_followers(codec, followers, suffix, check_follower_present, NULL);
1979 if (err != 1) {
1980 codec_dbg(codec, "No follower found for %s\n", name);
1981 return 0;
1982 }
1983 kctl = snd_ctl_make_virtual_master(name, tlv);
1984 if (!kctl)
1985 return -ENOMEM;
1986 kctl->vd[0].access |= access;
1987 err = snd_hda_ctl_add(codec, 0, kctl);
1988 if (err < 0)
1989 return err;
1990
1991 err = map_followers(codec, followers, suffix, add_follower, kctl);
1992 if (err < 0)
1993 return err;
1994
1995
1996 put_kctl_with_value(kctl, 0);
1997 if (init_follower_vol) {
1998 struct follower_init_arg arg = {
1999 .codec = codec,
2000 .step = 0,
2001 };
2002 snd_ctl_apply_vmaster_followers(kctl,
2003 tlv ? init_follower_0dB : init_follower_unmute,
2004 &arg);
2005 }
2006
2007 if (ctl_ret)
2008 *ctl_ret = kctl;
2009 return 0;
2010}
2011EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
2012
2013
2014static void vmaster_hook(void *private_data, int enabled)
2015{
2016 struct hda_vmaster_mute_hook *hook = private_data;
2017
2018 hook->hook(hook->codec, enabled);
2019}
2020
2021
2022
2023
2024
2025
2026
2027
2028int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2029 struct hda_vmaster_mute_hook *hook)
2030{
2031 if (!hook->hook || !hook->sw_kctl)
2032 return 0;
2033 hook->codec = codec;
2034 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2035 return 0;
2036}
2037EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2038
2039
2040
2041
2042
2043
2044
2045
2046void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2047{
2048 if (!hook->hook || !hook->codec)
2049 return;
2050
2051
2052
2053 if (hook->codec->bus->shutdown)
2054 return;
2055 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2056}
2057EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2069 struct snd_ctl_elem_info *uinfo)
2070{
2071 int chs = get_amp_channels(kcontrol);
2072
2073 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2074 uinfo->count = chs == 3 ? 2 : 1;
2075 uinfo->value.integer.min = 0;
2076 uinfo->value.integer.max = 1;
2077 return 0;
2078}
2079EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2090 struct snd_ctl_elem_value *ucontrol)
2091{
2092 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2093 hda_nid_t nid = get_amp_nid(kcontrol);
2094 int chs = get_amp_channels(kcontrol);
2095 int dir = get_amp_direction(kcontrol);
2096 int idx = get_amp_index(kcontrol);
2097 long *valp = ucontrol->value.integer.value;
2098
2099 if (chs & 1)
2100 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2101 HDA_AMP_MUTE) ? 0 : 1;
2102 if (chs & 2)
2103 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2104 HDA_AMP_MUTE) ? 0 : 1;
2105 return 0;
2106}
2107EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2118 struct snd_ctl_elem_value *ucontrol)
2119{
2120 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2121 hda_nid_t nid = get_amp_nid(kcontrol);
2122 int chs = get_amp_channels(kcontrol);
2123 int dir = get_amp_direction(kcontrol);
2124 int idx = get_amp_index(kcontrol);
2125 long *valp = ucontrol->value.integer.value;
2126 int change = 0;
2127
2128 if (chs & 1) {
2129 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2130 HDA_AMP_MUTE,
2131 *valp ? 0 : HDA_AMP_MUTE);
2132 valp++;
2133 }
2134 if (chs & 2)
2135 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2136 HDA_AMP_MUTE,
2137 *valp ? 0 : HDA_AMP_MUTE);
2138 hda_call_check_power_status(codec, nid);
2139 return change;
2140}
2141EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2142
2143
2144
2145
2146
2147static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2148 struct snd_ctl_elem_info *uinfo)
2149{
2150 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2151 uinfo->count = 1;
2152 return 0;
2153}
2154
2155static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2156 struct snd_ctl_elem_value *ucontrol)
2157{
2158 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2159 IEC958_AES0_NONAUDIO |
2160 IEC958_AES0_CON_EMPHASIS_5015 |
2161 IEC958_AES0_CON_NOT_COPYRIGHT;
2162 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2163 IEC958_AES1_CON_ORIGINAL;
2164 return 0;
2165}
2166
2167static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2168 struct snd_ctl_elem_value *ucontrol)
2169{
2170 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2171 IEC958_AES0_NONAUDIO |
2172 IEC958_AES0_PRO_EMPHASIS_5015;
2173 return 0;
2174}
2175
2176static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2177 struct snd_ctl_elem_value *ucontrol)
2178{
2179 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2180 int idx = kcontrol->private_value;
2181 struct hda_spdif_out *spdif;
2182
2183 if (WARN_ON(codec->spdif_out.used <= idx))
2184 return -EINVAL;
2185 mutex_lock(&codec->spdif_mutex);
2186 spdif = snd_array_elem(&codec->spdif_out, idx);
2187 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2188 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2189 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2190 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2191 mutex_unlock(&codec->spdif_mutex);
2192
2193 return 0;
2194}
2195
2196
2197
2198
2199static unsigned short convert_from_spdif_status(unsigned int sbits)
2200{
2201 unsigned short val = 0;
2202
2203 if (sbits & IEC958_AES0_PROFESSIONAL)
2204 val |= AC_DIG1_PROFESSIONAL;
2205 if (sbits & IEC958_AES0_NONAUDIO)
2206 val |= AC_DIG1_NONAUDIO;
2207 if (sbits & IEC958_AES0_PROFESSIONAL) {
2208 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2209 IEC958_AES0_PRO_EMPHASIS_5015)
2210 val |= AC_DIG1_EMPHASIS;
2211 } else {
2212 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2213 IEC958_AES0_CON_EMPHASIS_5015)
2214 val |= AC_DIG1_EMPHASIS;
2215 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2216 val |= AC_DIG1_COPYRIGHT;
2217 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2218 val |= AC_DIG1_LEVEL;
2219 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2220 }
2221 return val;
2222}
2223
2224
2225
2226static unsigned int convert_to_spdif_status(unsigned short val)
2227{
2228 unsigned int sbits = 0;
2229
2230 if (val & AC_DIG1_NONAUDIO)
2231 sbits |= IEC958_AES0_NONAUDIO;
2232 if (val & AC_DIG1_PROFESSIONAL)
2233 sbits |= IEC958_AES0_PROFESSIONAL;
2234 if (sbits & IEC958_AES0_PROFESSIONAL) {
2235 if (val & AC_DIG1_EMPHASIS)
2236 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2237 } else {
2238 if (val & AC_DIG1_EMPHASIS)
2239 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2240 if (!(val & AC_DIG1_COPYRIGHT))
2241 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2242 if (val & AC_DIG1_LEVEL)
2243 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2244 sbits |= val & (0x7f << 8);
2245 }
2246 return sbits;
2247}
2248
2249
2250static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2251 int mask, int val)
2252{
2253 const hda_nid_t *d;
2254
2255 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2256 mask, val);
2257 d = codec->follower_dig_outs;
2258 if (!d)
2259 return;
2260 for (; *d; d++)
2261 snd_hdac_regmap_update(&codec->core, *d,
2262 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2263}
2264
2265static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2266 int dig1, int dig2)
2267{
2268 unsigned int mask = 0;
2269 unsigned int val = 0;
2270
2271 if (dig1 != -1) {
2272 mask |= 0xff;
2273 val = dig1;
2274 }
2275 if (dig2 != -1) {
2276 mask |= 0xff00;
2277 val |= dig2 << 8;
2278 }
2279 set_dig_out(codec, nid, mask, val);
2280}
2281
2282static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2283 struct snd_ctl_elem_value *ucontrol)
2284{
2285 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2286 int idx = kcontrol->private_value;
2287 struct hda_spdif_out *spdif;
2288 hda_nid_t nid;
2289 unsigned short val;
2290 int change;
2291
2292 if (WARN_ON(codec->spdif_out.used <= idx))
2293 return -EINVAL;
2294 mutex_lock(&codec->spdif_mutex);
2295 spdif = snd_array_elem(&codec->spdif_out, idx);
2296 nid = spdif->nid;
2297 spdif->status = ucontrol->value.iec958.status[0] |
2298 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2299 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2300 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
2301 val = convert_from_spdif_status(spdif->status);
2302 val |= spdif->ctls & 1;
2303 change = spdif->ctls != val;
2304 spdif->ctls = val;
2305 if (change && nid != (u16)-1)
2306 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2307 mutex_unlock(&codec->spdif_mutex);
2308 return change;
2309}
2310
2311#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2312
2313static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2314 struct snd_ctl_elem_value *ucontrol)
2315{
2316 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2317 int idx = kcontrol->private_value;
2318 struct hda_spdif_out *spdif;
2319
2320 if (WARN_ON(codec->spdif_out.used <= idx))
2321 return -EINVAL;
2322 mutex_lock(&codec->spdif_mutex);
2323 spdif = snd_array_elem(&codec->spdif_out, idx);
2324 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2325 mutex_unlock(&codec->spdif_mutex);
2326 return 0;
2327}
2328
2329static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2330 int dig1, int dig2)
2331{
2332 set_dig_out_convert(codec, nid, dig1, dig2);
2333
2334 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2335 (dig1 & AC_DIG1_ENABLE))
2336 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2337 HDA_AMP_MUTE, 0);
2338}
2339
2340static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2341 struct snd_ctl_elem_value *ucontrol)
2342{
2343 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2344 int idx = kcontrol->private_value;
2345 struct hda_spdif_out *spdif;
2346 hda_nid_t nid;
2347 unsigned short val;
2348 int change;
2349
2350 if (WARN_ON(codec->spdif_out.used <= idx))
2351 return -EINVAL;
2352 mutex_lock(&codec->spdif_mutex);
2353 spdif = snd_array_elem(&codec->spdif_out, idx);
2354 nid = spdif->nid;
2355 val = spdif->ctls & ~AC_DIG1_ENABLE;
2356 if (ucontrol->value.integer.value[0])
2357 val |= AC_DIG1_ENABLE;
2358 change = spdif->ctls != val;
2359 spdif->ctls = val;
2360 if (change && nid != (u16)-1)
2361 set_spdif_ctls(codec, nid, val & 0xff, -1);
2362 mutex_unlock(&codec->spdif_mutex);
2363 return change;
2364}
2365
2366static const struct snd_kcontrol_new dig_mixes[] = {
2367 {
2368 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2369 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2370 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2371 .info = snd_hda_spdif_mask_info,
2372 .get = snd_hda_spdif_cmask_get,
2373 },
2374 {
2375 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2376 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2377 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2378 .info = snd_hda_spdif_mask_info,
2379 .get = snd_hda_spdif_pmask_get,
2380 },
2381 {
2382 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2383 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2384 .info = snd_hda_spdif_mask_info,
2385 .get = snd_hda_spdif_default_get,
2386 .put = snd_hda_spdif_default_put,
2387 },
2388 {
2389 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2390 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2391 .info = snd_hda_spdif_out_switch_info,
2392 .get = snd_hda_spdif_out_switch_get,
2393 .put = snd_hda_spdif_out_switch_put,
2394 },
2395 { }
2396};
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2410 hda_nid_t associated_nid,
2411 hda_nid_t cvt_nid,
2412 int type)
2413{
2414 int err;
2415 struct snd_kcontrol *kctl;
2416 const struct snd_kcontrol_new *dig_mix;
2417 int idx = 0;
2418 int val = 0;
2419 const int spdif_index = 16;
2420 struct hda_spdif_out *spdif;
2421 struct hda_bus *bus = codec->bus;
2422
2423 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2424 type == HDA_PCM_TYPE_SPDIF) {
2425 idx = spdif_index;
2426 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2427 type == HDA_PCM_TYPE_HDMI) {
2428
2429 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2430 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2431 if (!kctl)
2432 break;
2433 kctl->id.index = spdif_index;
2434 }
2435 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2436 }
2437 if (!bus->primary_dig_out_type)
2438 bus->primary_dig_out_type = type;
2439
2440 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2441 if (idx < 0) {
2442 codec_err(codec, "too many IEC958 outputs\n");
2443 return -EBUSY;
2444 }
2445 spdif = snd_array_new(&codec->spdif_out);
2446 if (!spdif)
2447 return -ENOMEM;
2448 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2449 kctl = snd_ctl_new1(dig_mix, codec);
2450 if (!kctl)
2451 return -ENOMEM;
2452 kctl->id.index = idx;
2453 kctl->private_value = codec->spdif_out.used - 1;
2454 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2455 if (err < 0)
2456 return err;
2457 }
2458 spdif->nid = cvt_nid;
2459 snd_hdac_regmap_read(&codec->core, cvt_nid,
2460 AC_VERB_GET_DIGI_CONVERT_1, &val);
2461 spdif->ctls = val;
2462 spdif->status = convert_to_spdif_status(spdif->ctls);
2463 return 0;
2464}
2465EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2466
2467
2468
2469
2470
2471
2472
2473
2474struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2475 hda_nid_t nid)
2476{
2477 struct hda_spdif_out *spdif;
2478 int i;
2479
2480 snd_array_for_each(&codec->spdif_out, i, spdif) {
2481 if (spdif->nid == nid)
2482 return spdif;
2483 }
2484 return NULL;
2485}
2486EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2487
2488
2489
2490
2491
2492
2493
2494
2495void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2496{
2497 struct hda_spdif_out *spdif;
2498
2499 if (WARN_ON(codec->spdif_out.used <= idx))
2500 return;
2501 mutex_lock(&codec->spdif_mutex);
2502 spdif = snd_array_elem(&codec->spdif_out, idx);
2503 spdif->nid = (u16)-1;
2504 mutex_unlock(&codec->spdif_mutex);
2505}
2506EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2517{
2518 struct hda_spdif_out *spdif;
2519 unsigned short val;
2520
2521 if (WARN_ON(codec->spdif_out.used <= idx))
2522 return;
2523 mutex_lock(&codec->spdif_mutex);
2524 spdif = snd_array_elem(&codec->spdif_out, idx);
2525 if (spdif->nid != nid) {
2526 spdif->nid = nid;
2527 val = spdif->ctls;
2528 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2529 }
2530 mutex_unlock(&codec->spdif_mutex);
2531}
2532EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2533
2534
2535
2536
2537static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2538 struct snd_ctl_elem_value *ucontrol)
2539{
2540 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2541 ucontrol->value.integer.value[0] = mout->share_spdif;
2542 return 0;
2543}
2544
2545static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2546 struct snd_ctl_elem_value *ucontrol)
2547{
2548 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2549 mout->share_spdif = !!ucontrol->value.integer.value[0];
2550 return 0;
2551}
2552
2553static const struct snd_kcontrol_new spdif_share_sw = {
2554 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2555 .name = "IEC958 Default PCM Playback Switch",
2556 .info = snd_ctl_boolean_mono_info,
2557 .get = spdif_share_sw_get,
2558 .put = spdif_share_sw_put,
2559};
2560
2561
2562
2563
2564
2565
2566int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2567 struct hda_multi_out *mout)
2568{
2569 struct snd_kcontrol *kctl;
2570
2571 if (!mout->dig_out_nid)
2572 return 0;
2573
2574 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2575 if (!kctl)
2576 return -ENOMEM;
2577
2578 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2579}
2580EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2581
2582
2583
2584
2585
2586#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2587
2588static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2589 struct snd_ctl_elem_value *ucontrol)
2590{
2591 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2592
2593 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2594 return 0;
2595}
2596
2597static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2598 struct snd_ctl_elem_value *ucontrol)
2599{
2600 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2601 hda_nid_t nid = kcontrol->private_value;
2602 unsigned int val = !!ucontrol->value.integer.value[0];
2603 int change;
2604
2605 mutex_lock(&codec->spdif_mutex);
2606 change = codec->spdif_in_enable != val;
2607 if (change) {
2608 codec->spdif_in_enable = val;
2609 snd_hdac_regmap_write(&codec->core, nid,
2610 AC_VERB_SET_DIGI_CONVERT_1, val);
2611 }
2612 mutex_unlock(&codec->spdif_mutex);
2613 return change;
2614}
2615
2616static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2617 struct snd_ctl_elem_value *ucontrol)
2618{
2619 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2620 hda_nid_t nid = kcontrol->private_value;
2621 unsigned int val;
2622 unsigned int sbits;
2623
2624 snd_hdac_regmap_read(&codec->core, nid,
2625 AC_VERB_GET_DIGI_CONVERT_1, &val);
2626 sbits = convert_to_spdif_status(val);
2627 ucontrol->value.iec958.status[0] = sbits;
2628 ucontrol->value.iec958.status[1] = sbits >> 8;
2629 ucontrol->value.iec958.status[2] = sbits >> 16;
2630 ucontrol->value.iec958.status[3] = sbits >> 24;
2631 return 0;
2632}
2633
2634static const struct snd_kcontrol_new dig_in_ctls[] = {
2635 {
2636 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2637 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2638 .info = snd_hda_spdif_in_switch_info,
2639 .get = snd_hda_spdif_in_switch_get,
2640 .put = snd_hda_spdif_in_switch_put,
2641 },
2642 {
2643 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2644 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2645 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2646 .info = snd_hda_spdif_mask_info,
2647 .get = snd_hda_spdif_in_status_get,
2648 },
2649 { }
2650};
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2663{
2664 int err;
2665 struct snd_kcontrol *kctl;
2666 const struct snd_kcontrol_new *dig_mix;
2667 int idx;
2668
2669 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2670 if (idx < 0) {
2671 codec_err(codec, "too many IEC958 inputs\n");
2672 return -EBUSY;
2673 }
2674 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2675 kctl = snd_ctl_new1(dig_mix, codec);
2676 if (!kctl)
2677 return -ENOMEM;
2678 kctl->private_value = nid;
2679 err = snd_hda_ctl_add(codec, nid, kctl);
2680 if (err < 0)
2681 return err;
2682 }
2683 codec->spdif_in_enable =
2684 snd_hda_codec_read(codec, nid, 0,
2685 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2686 AC_DIG1_ENABLE;
2687 return 0;
2688}
2689EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2702 unsigned int power_state)
2703{
2704 hda_nid_t nid;
2705
2706 for_each_hda_codec_node(nid, codec) {
2707 unsigned int wcaps = get_wcaps(codec, nid);
2708 unsigned int state = power_state;
2709 if (!(wcaps & AC_WCAP_POWER))
2710 continue;
2711 if (codec->power_filter) {
2712 state = codec->power_filter(codec, nid, power_state);
2713 if (state != power_state && power_state == AC_PWRST_D3)
2714 continue;
2715 }
2716 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2717 state);
2718 }
2719}
2720EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2732 hda_nid_t nid,
2733 unsigned int power_state)
2734{
2735 if (nid == codec->core.afg || nid == codec->core.mfg)
2736 return power_state;
2737 if (power_state == AC_PWRST_D3 &&
2738 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2739 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2740 int eapd = snd_hda_codec_read(codec, nid, 0,
2741 AC_VERB_GET_EAPD_BTLENABLE, 0);
2742 if (eapd & 0x02)
2743 return AC_PWRST_D0;
2744 }
2745 return power_state;
2746}
2747EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2748
2749
2750
2751
2752static unsigned int hda_set_power_state(struct hda_codec *codec,
2753 unsigned int power_state)
2754{
2755 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2756 int count;
2757 unsigned int state;
2758 int flags = 0;
2759
2760
2761 if (power_state == AC_PWRST_D3) {
2762 if (codec->depop_delay < 0)
2763 msleep(codec_has_epss(codec) ? 10 : 100);
2764 else if (codec->depop_delay > 0)
2765 msleep(codec->depop_delay);
2766 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2767 }
2768
2769
2770 for (count = 0; count < 10; count++) {
2771 if (codec->patch_ops.set_power_state)
2772 codec->patch_ops.set_power_state(codec, fg,
2773 power_state);
2774 else {
2775 state = power_state;
2776 if (codec->power_filter)
2777 state = codec->power_filter(codec, fg, state);
2778 if (state == power_state || power_state != AC_PWRST_D3)
2779 snd_hda_codec_read(codec, fg, flags,
2780 AC_VERB_SET_POWER_STATE,
2781 state);
2782 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2783 }
2784 state = snd_hda_sync_power_state(codec, fg, power_state);
2785 if (!(state & AC_PWRST_ERROR))
2786 break;
2787 }
2788
2789 return state;
2790}
2791
2792
2793
2794
2795static void sync_power_up_states(struct hda_codec *codec)
2796{
2797 hda_nid_t nid;
2798
2799
2800 if (!codec->power_filter)
2801 return;
2802
2803 for_each_hda_codec_node(nid, codec) {
2804 unsigned int wcaps = get_wcaps(codec, nid);
2805 unsigned int target;
2806 if (!(wcaps & AC_WCAP_POWER))
2807 continue;
2808 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2809 if (target == AC_PWRST_D0)
2810 continue;
2811 if (!snd_hda_check_power_state(codec, nid, target))
2812 snd_hda_codec_write(codec, nid, 0,
2813 AC_VERB_SET_POWER_STATE, target);
2814 }
2815}
2816
2817#ifdef CONFIG_SND_HDA_RECONFIG
2818
2819static void hda_exec_init_verbs(struct hda_codec *codec)
2820{
2821 if (codec->init_verbs.list)
2822 snd_hda_sequence_write(codec, codec->init_verbs.list);
2823}
2824#else
2825static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2826#endif
2827
2828#ifdef CONFIG_PM
2829
2830static void update_power_acct(struct hda_codec *codec, bool on)
2831{
2832 unsigned long delta = jiffies - codec->power_jiffies;
2833
2834 if (on)
2835 codec->power_on_acct += delta;
2836 else
2837 codec->power_off_acct += delta;
2838 codec->power_jiffies += delta;
2839}
2840
2841void snd_hda_update_power_acct(struct hda_codec *codec)
2842{
2843 update_power_acct(codec, hda_codec_is_power_on(codec));
2844}
2845
2846
2847
2848
2849
2850static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2851{
2852 unsigned int state;
2853
2854 snd_hdac_enter_pm(&codec->core);
2855 if (codec->patch_ops.suspend)
2856 codec->patch_ops.suspend(codec);
2857 hda_cleanup_all_streams(codec);
2858 state = hda_set_power_state(codec, AC_PWRST_D3);
2859 update_power_acct(codec, true);
2860 snd_hdac_leave_pm(&codec->core);
2861 return state;
2862}
2863
2864
2865
2866
2867static void hda_call_codec_resume(struct hda_codec *codec)
2868{
2869 snd_hdac_enter_pm(&codec->core);
2870 if (codec->core.regmap)
2871 regcache_mark_dirty(codec->core.regmap);
2872
2873 codec->power_jiffies = jiffies;
2874
2875 hda_set_power_state(codec, AC_PWRST_D0);
2876 restore_shutup_pins(codec);
2877 hda_exec_init_verbs(codec);
2878 snd_hda_jack_set_dirty_all(codec);
2879 if (codec->patch_ops.resume)
2880 codec->patch_ops.resume(codec);
2881 else {
2882 if (codec->patch_ops.init)
2883 codec->patch_ops.init(codec);
2884 snd_hda_regmap_sync(codec);
2885 }
2886
2887 if (codec->jackpoll_interval)
2888 hda_jackpoll_work(&codec->jackpoll_work.work);
2889 else
2890 snd_hda_jack_report_sync(codec);
2891 codec->core.dev.power.power_state = PMSG_ON;
2892 snd_hdac_leave_pm(&codec->core);
2893}
2894
2895static int hda_codec_runtime_suspend(struct device *dev)
2896{
2897 struct hda_codec *codec = dev_to_hda_codec(dev);
2898 unsigned int state;
2899
2900
2901 if (!codec->card)
2902 return 0;
2903
2904 cancel_delayed_work_sync(&codec->jackpoll_work);
2905 state = hda_call_codec_suspend(codec);
2906 if (codec->link_down_at_suspend ||
2907 (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2908 (state & AC_PWRST_CLK_STOP_OK)))
2909 snd_hdac_codec_link_down(&codec->core);
2910 snd_hda_codec_display_power(codec, false);
2911 return 0;
2912}
2913
2914static int hda_codec_runtime_resume(struct device *dev)
2915{
2916 struct hda_codec *codec = dev_to_hda_codec(dev);
2917
2918
2919 if (!codec->card)
2920 return 0;
2921
2922 snd_hda_codec_display_power(codec, true);
2923 snd_hdac_codec_link_up(&codec->core);
2924 hda_call_codec_resume(codec);
2925 pm_runtime_mark_last_busy(dev);
2926 return 0;
2927}
2928
2929#endif
2930
2931#ifdef CONFIG_PM_SLEEP
2932static int hda_codec_pm_prepare(struct device *dev)
2933{
2934 dev->power.power_state = PMSG_SUSPEND;
2935 return pm_runtime_suspended(dev);
2936}
2937
2938static void hda_codec_pm_complete(struct device *dev)
2939{
2940 struct hda_codec *codec = dev_to_hda_codec(dev);
2941
2942
2943 if (dev->power.power_state.event == PM_EVENT_SUSPEND)
2944 dev->power.power_state = PMSG_RESUME;
2945
2946 if (pm_runtime_suspended(dev) && (codec->jackpoll_interval ||
2947 hda_codec_need_resume(codec) || codec->forced_resume))
2948 pm_request_resume(dev);
2949}
2950
2951static int hda_codec_pm_suspend(struct device *dev)
2952{
2953 dev->power.power_state = PMSG_SUSPEND;
2954 return pm_runtime_force_suspend(dev);
2955}
2956
2957static int hda_codec_pm_resume(struct device *dev)
2958{
2959 dev->power.power_state = PMSG_RESUME;
2960 return pm_runtime_force_resume(dev);
2961}
2962
2963static int hda_codec_pm_freeze(struct device *dev)
2964{
2965 dev->power.power_state = PMSG_FREEZE;
2966 return pm_runtime_force_suspend(dev);
2967}
2968
2969static int hda_codec_pm_thaw(struct device *dev)
2970{
2971 dev->power.power_state = PMSG_THAW;
2972 return pm_runtime_force_resume(dev);
2973}
2974
2975static int hda_codec_pm_restore(struct device *dev)
2976{
2977 dev->power.power_state = PMSG_RESTORE;
2978 return pm_runtime_force_resume(dev);
2979}
2980#endif
2981
2982
2983const struct dev_pm_ops hda_codec_driver_pm = {
2984#ifdef CONFIG_PM_SLEEP
2985 .prepare = hda_codec_pm_prepare,
2986 .complete = hda_codec_pm_complete,
2987 .suspend = hda_codec_pm_suspend,
2988 .resume = hda_codec_pm_resume,
2989 .freeze = hda_codec_pm_freeze,
2990 .thaw = hda_codec_pm_thaw,
2991 .poweroff = hda_codec_pm_suspend,
2992 .restore = hda_codec_pm_restore,
2993#endif
2994 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
2995 NULL)
2996};
2997
2998
2999void snd_hda_codec_shutdown(struct hda_codec *codec)
3000{
3001 struct hda_pcm *cpcm;
3002
3003 list_for_each_entry(cpcm, &codec->pcm_list_head, list)
3004 snd_pcm_suspend_all(cpcm->pcm);
3005
3006 pm_runtime_force_suspend(hda_codec_dev(codec));
3007 pm_runtime_disable(hda_codec_dev(codec));
3008}
3009
3010
3011
3012
3013static int add_std_chmaps(struct hda_codec *codec)
3014{
3015 struct hda_pcm *pcm;
3016 int str, err;
3017
3018 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3019 for (str = 0; str < 2; str++) {
3020 struct hda_pcm_stream *hinfo = &pcm->stream[str];
3021 struct snd_pcm_chmap *chmap;
3022 const struct snd_pcm_chmap_elem *elem;
3023
3024 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3025 continue;
3026 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3027 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3028 hinfo->channels_max,
3029 0, &chmap);
3030 if (err < 0)
3031 return err;
3032 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3033 }
3034 }
3035 return 0;
3036}
3037
3038
3039
3040
3041const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3042 { .channels = 2,
3043 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3044 { .channels = 4,
3045 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3046 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3047 { }
3048};
3049EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3050
3051int snd_hda_codec_build_controls(struct hda_codec *codec)
3052{
3053 int err = 0;
3054 hda_exec_init_verbs(codec);
3055
3056 if (codec->patch_ops.init)
3057 err = codec->patch_ops.init(codec);
3058 if (!err && codec->patch_ops.build_controls)
3059 err = codec->patch_ops.build_controls(codec);
3060 if (err < 0)
3061 return err;
3062
3063
3064 err = add_std_chmaps(codec);
3065 if (err < 0)
3066 return err;
3067
3068 if (codec->jackpoll_interval)
3069 hda_jackpoll_work(&codec->jackpoll_work.work);
3070 else
3071 snd_hda_jack_report_sync(codec);
3072 sync_power_up_states(codec);
3073 return 0;
3074}
3075EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3076
3077
3078
3079
3080static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3081 struct hda_codec *codec,
3082 struct snd_pcm_substream *substream)
3083{
3084 return 0;
3085}
3086
3087static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3088 struct hda_codec *codec,
3089 unsigned int stream_tag,
3090 unsigned int format,
3091 struct snd_pcm_substream *substream)
3092{
3093 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3094 return 0;
3095}
3096
3097static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3098 struct hda_codec *codec,
3099 struct snd_pcm_substream *substream)
3100{
3101 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3102 return 0;
3103}
3104
3105static int set_pcm_default_values(struct hda_codec *codec,
3106 struct hda_pcm_stream *info)
3107{
3108 int err;
3109
3110
3111 if (info->nid && (!info->rates || !info->formats)) {
3112 err = snd_hda_query_supported_pcm(codec, info->nid,
3113 info->rates ? NULL : &info->rates,
3114 info->formats ? NULL : &info->formats,
3115 info->maxbps ? NULL : &info->maxbps);
3116 if (err < 0)
3117 return err;
3118 }
3119 if (info->ops.open == NULL)
3120 info->ops.open = hda_pcm_default_open_close;
3121 if (info->ops.close == NULL)
3122 info->ops.close = hda_pcm_default_open_close;
3123 if (info->ops.prepare == NULL) {
3124 if (snd_BUG_ON(!info->nid))
3125 return -EINVAL;
3126 info->ops.prepare = hda_pcm_default_prepare;
3127 }
3128 if (info->ops.cleanup == NULL) {
3129 if (snd_BUG_ON(!info->nid))
3130 return -EINVAL;
3131 info->ops.cleanup = hda_pcm_default_cleanup;
3132 }
3133 return 0;
3134}
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150int snd_hda_codec_prepare(struct hda_codec *codec,
3151 struct hda_pcm_stream *hinfo,
3152 unsigned int stream,
3153 unsigned int format,
3154 struct snd_pcm_substream *substream)
3155{
3156 int ret;
3157 mutex_lock(&codec->bus->prepare_mutex);
3158 if (hinfo->ops.prepare)
3159 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3160 substream);
3161 else
3162 ret = -ENODEV;
3163 if (ret >= 0)
3164 purify_inactive_streams(codec);
3165 mutex_unlock(&codec->bus->prepare_mutex);
3166 return ret;
3167}
3168EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178void snd_hda_codec_cleanup(struct hda_codec *codec,
3179 struct hda_pcm_stream *hinfo,
3180 struct snd_pcm_substream *substream)
3181{
3182 mutex_lock(&codec->bus->prepare_mutex);
3183 if (hinfo->ops.cleanup)
3184 hinfo->ops.cleanup(hinfo, codec, substream);
3185 mutex_unlock(&codec->bus->prepare_mutex);
3186}
3187EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3188
3189
3190const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3191 "Audio", "SPDIF", "HDMI", "Modem"
3192};
3193
3194
3195
3196
3197static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3198{
3199
3200
3201
3202
3203 static const int audio_idx[HDA_PCM_NTYPES][5] = {
3204 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3205 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3206 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3207 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3208 };
3209 int i;
3210
3211 if (type >= HDA_PCM_NTYPES) {
3212 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3213 return -EINVAL;
3214 }
3215
3216 for (i = 0; audio_idx[type][i] >= 0; i++) {
3217#ifndef CONFIG_SND_DYNAMIC_MINORS
3218 if (audio_idx[type][i] >= 8)
3219 break;
3220#endif
3221 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3222 return audio_idx[type][i];
3223 }
3224
3225#ifdef CONFIG_SND_DYNAMIC_MINORS
3226
3227 for (i = 10; i < 32; i++) {
3228 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3229 return i;
3230 }
3231#endif
3232
3233 dev_warn(bus->card->dev, "Too many %s devices\n",
3234 snd_hda_pcm_type_name[type]);
3235#ifndef CONFIG_SND_DYNAMIC_MINORS
3236 dev_warn(bus->card->dev,
3237 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3238#endif
3239 return -EAGAIN;
3240}
3241
3242
3243int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3244{
3245 struct hda_pcm *cpcm;
3246 int err;
3247
3248 if (!list_empty(&codec->pcm_list_head))
3249 return 0;
3250
3251 if (!codec->patch_ops.build_pcms)
3252 return 0;
3253
3254 err = codec->patch_ops.build_pcms(codec);
3255 if (err < 0) {
3256 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3257 codec->core.addr, err);
3258 return err;
3259 }
3260
3261 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3262 int stream;
3263
3264 for (stream = 0; stream < 2; stream++) {
3265 struct hda_pcm_stream *info = &cpcm->stream[stream];
3266
3267 if (!info->substreams)
3268 continue;
3269 err = set_pcm_default_values(codec, info);
3270 if (err < 0) {
3271 codec_warn(codec,
3272 "fail to setup default for PCM %s\n",
3273 cpcm->name);
3274 return err;
3275 }
3276 }
3277 }
3278
3279 return 0;
3280}
3281EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3282
3283
3284int snd_hda_codec_build_pcms(struct hda_codec *codec)
3285{
3286 struct hda_bus *bus = codec->bus;
3287 struct hda_pcm *cpcm;
3288 int dev, err;
3289
3290 err = snd_hda_codec_parse_pcms(codec);
3291 if (err < 0)
3292 return err;
3293
3294
3295 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3296 if (cpcm->pcm)
3297 continue;
3298 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3299 continue;
3300
3301 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3302 if (dev < 0) {
3303 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3304 continue;
3305 }
3306 cpcm->device = dev;
3307 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3308 if (err < 0) {
3309 codec_err(codec,
3310 "cannot attach PCM stream %d for codec #%d\n",
3311 dev, codec->core.addr);
3312 continue;
3313 }
3314 }
3315
3316 return 0;
3317}
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329int snd_hda_add_new_ctls(struct hda_codec *codec,
3330 const struct snd_kcontrol_new *knew)
3331{
3332 int err;
3333
3334 for (; knew->name; knew++) {
3335 struct snd_kcontrol *kctl;
3336 int addr = 0, idx = 0;
3337 if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3338 continue;
3339 for (;;) {
3340 kctl = snd_ctl_new1(knew, codec);
3341 if (!kctl)
3342 return -ENOMEM;
3343 if (addr > 0)
3344 kctl->id.device = addr;
3345 if (idx > 0)
3346 kctl->id.index = idx;
3347 err = snd_hda_ctl_add(codec, 0, kctl);
3348 if (!err)
3349 break;
3350
3351
3352
3353
3354 if (!addr && codec->core.addr)
3355 addr = codec->core.addr;
3356 else if (!idx && !knew->index) {
3357 idx = find_empty_mixer_ctl_idx(codec,
3358 knew->name, 0);
3359 if (idx <= 0)
3360 return err;
3361 } else
3362 return err;
3363 }
3364 }
3365 return 0;
3366}
3367EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3368
3369#ifdef CONFIG_PM
3370static void codec_set_power_save(struct hda_codec *codec, int delay)
3371{
3372 struct device *dev = hda_codec_dev(codec);
3373
3374 if (delay == 0 && codec->auto_runtime_pm)
3375 delay = 3000;
3376
3377 if (delay > 0) {
3378 pm_runtime_set_autosuspend_delay(dev, delay);
3379 pm_runtime_use_autosuspend(dev);
3380 pm_runtime_allow(dev);
3381 if (!pm_runtime_suspended(dev))
3382 pm_runtime_mark_last_busy(dev);
3383 } else {
3384 pm_runtime_dont_use_autosuspend(dev);
3385 pm_runtime_forbid(dev);
3386 }
3387}
3388
3389
3390
3391
3392
3393
3394
3395
3396void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3397{
3398 struct hda_codec *c;
3399
3400 list_for_each_codec(c, bus)
3401 codec_set_power_save(c, delay);
3402}
3403EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418int snd_hda_check_amp_list_power(struct hda_codec *codec,
3419 struct hda_loopback_check *check,
3420 hda_nid_t nid)
3421{
3422 const struct hda_amp_list *p;
3423 int ch, v;
3424
3425 if (!check->amplist)
3426 return 0;
3427 for (p = check->amplist; p->nid; p++) {
3428 if (p->nid == nid)
3429 break;
3430 }
3431 if (!p->nid)
3432 return 0;
3433
3434 for (p = check->amplist; p->nid; p++) {
3435 for (ch = 0; ch < 2; ch++) {
3436 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3437 p->idx);
3438 if (!(v & HDA_AMP_MUTE) && v > 0) {
3439 if (!check->power_on) {
3440 check->power_on = 1;
3441 snd_hda_power_up_pm(codec);
3442 }
3443 return 1;
3444 }
3445 }
3446 }
3447 if (check->power_on) {
3448 check->power_on = 0;
3449 snd_hda_power_down_pm(codec);
3450 }
3451 return 0;
3452}
3453EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3454#endif
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3466 struct snd_ctl_elem_info *uinfo)
3467{
3468 unsigned int index;
3469
3470 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3471 uinfo->count = 1;
3472 uinfo->value.enumerated.items = imux->num_items;
3473 if (!imux->num_items)
3474 return 0;
3475 index = uinfo->value.enumerated.item;
3476 if (index >= imux->num_items)
3477 index = imux->num_items - 1;
3478 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3479 return 0;
3480}
3481EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491int snd_hda_input_mux_put(struct hda_codec *codec,
3492 const struct hda_input_mux *imux,
3493 struct snd_ctl_elem_value *ucontrol,
3494 hda_nid_t nid,
3495 unsigned int *cur_val)
3496{
3497 unsigned int idx;
3498
3499 if (!imux->num_items)
3500 return 0;
3501 idx = ucontrol->value.enumerated.item[0];
3502 if (idx >= imux->num_items)
3503 idx = imux->num_items - 1;
3504 if (*cur_val == idx)
3505 return 0;
3506 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3507 imux->items[idx].index);
3508 *cur_val = idx;
3509 return 1;
3510}
3511EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3525 struct snd_ctl_elem_info *uinfo,
3526 int num_items, const char * const *texts)
3527{
3528 static const char * const texts_default[] = {
3529 "Disabled", "Enabled"
3530 };
3531
3532 if (!texts || !num_items) {
3533 num_items = 2;
3534 texts = texts_default;
3535 }
3536
3537 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3538}
3539EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3540
3541
3542
3543
3544
3545
3546static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3547 unsigned int stream_tag, unsigned int format)
3548{
3549 struct hda_spdif_out *spdif;
3550 unsigned int curr_fmt;
3551 bool reset;
3552
3553 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3554
3555
3556
3557 if (WARN_ON(spdif == NULL))
3558 return;
3559
3560 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3561 AC_VERB_GET_STREAM_FORMAT, 0);
3562 reset = codec->spdif_status_reset &&
3563 (spdif->ctls & AC_DIG1_ENABLE) &&
3564 curr_fmt != format;
3565
3566
3567
3568 if (reset)
3569 set_dig_out_convert(codec, nid,
3570 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3571 -1);
3572 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3573 if (codec->follower_dig_outs) {
3574 const hda_nid_t *d;
3575 for (d = codec->follower_dig_outs; *d; d++)
3576 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3577 format);
3578 }
3579
3580 if (reset)
3581 set_dig_out_convert(codec, nid,
3582 spdif->ctls & 0xff, -1);
3583}
3584
3585static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3586{
3587 snd_hda_codec_cleanup_stream(codec, nid);
3588 if (codec->follower_dig_outs) {
3589 const hda_nid_t *d;
3590 for (d = codec->follower_dig_outs; *d; d++)
3591 snd_hda_codec_cleanup_stream(codec, *d);
3592 }
3593}
3594
3595
3596
3597
3598
3599
3600int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3601 struct hda_multi_out *mout)
3602{
3603 mutex_lock(&codec->spdif_mutex);
3604 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3605
3606 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3607 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3608 mutex_unlock(&codec->spdif_mutex);
3609 return 0;
3610}
3611EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3622 struct hda_multi_out *mout,
3623 unsigned int stream_tag,
3624 unsigned int format,
3625 struct snd_pcm_substream *substream)
3626{
3627 mutex_lock(&codec->spdif_mutex);
3628 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3629 mutex_unlock(&codec->spdif_mutex);
3630 return 0;
3631}
3632EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3633
3634
3635
3636
3637
3638
3639int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3640 struct hda_multi_out *mout)
3641{
3642 mutex_lock(&codec->spdif_mutex);
3643 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3644 mutex_unlock(&codec->spdif_mutex);
3645 return 0;
3646}
3647EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3648
3649
3650
3651
3652
3653
3654int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3655 struct hda_multi_out *mout)
3656{
3657 mutex_lock(&codec->spdif_mutex);
3658 mout->dig_out_used = 0;
3659 mutex_unlock(&codec->spdif_mutex);
3660 return 0;
3661}
3662EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3676 struct hda_multi_out *mout,
3677 struct snd_pcm_substream *substream,
3678 struct hda_pcm_stream *hinfo)
3679{
3680 struct snd_pcm_runtime *runtime = substream->runtime;
3681 runtime->hw.channels_max = mout->max_channels;
3682 if (mout->dig_out_nid) {
3683 if (!mout->analog_rates) {
3684 mout->analog_rates = hinfo->rates;
3685 mout->analog_formats = hinfo->formats;
3686 mout->analog_maxbps = hinfo->maxbps;
3687 } else {
3688 runtime->hw.rates = mout->analog_rates;
3689 runtime->hw.formats = mout->analog_formats;
3690 hinfo->maxbps = mout->analog_maxbps;
3691 }
3692 if (!mout->spdif_rates) {
3693 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3694 &mout->spdif_rates,
3695 &mout->spdif_formats,
3696 &mout->spdif_maxbps);
3697 }
3698 mutex_lock(&codec->spdif_mutex);
3699 if (mout->share_spdif) {
3700 if ((runtime->hw.rates & mout->spdif_rates) &&
3701 (runtime->hw.formats & mout->spdif_formats)) {
3702 runtime->hw.rates &= mout->spdif_rates;
3703 runtime->hw.formats &= mout->spdif_formats;
3704 if (mout->spdif_maxbps < hinfo->maxbps)
3705 hinfo->maxbps = mout->spdif_maxbps;
3706 } else {
3707 mout->share_spdif = 0;
3708
3709 }
3710 }
3711 mutex_unlock(&codec->spdif_mutex);
3712 }
3713 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3714 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3715}
3716EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3730 struct hda_multi_out *mout,
3731 unsigned int stream_tag,
3732 unsigned int format,
3733 struct snd_pcm_substream *substream)
3734{
3735 const hda_nid_t *nids = mout->dac_nids;
3736 int chs = substream->runtime->channels;
3737 struct hda_spdif_out *spdif;
3738 int i;
3739
3740 mutex_lock(&codec->spdif_mutex);
3741 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3742 if (mout->dig_out_nid && mout->share_spdif &&
3743 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3744 if (chs == 2 && spdif != NULL &&
3745 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3746 format) &&
3747 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3748 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3749 setup_dig_out_stream(codec, mout->dig_out_nid,
3750 stream_tag, format);
3751 } else {
3752 mout->dig_out_used = 0;
3753 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3754 }
3755 }
3756 mutex_unlock(&codec->spdif_mutex);
3757
3758
3759 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3760 0, format);
3761 if (!mout->no_share_stream &&
3762 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3763
3764 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3765 0, format);
3766
3767 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3768 if (!mout->no_share_stream && mout->hp_out_nid[i])
3769 snd_hda_codec_setup_stream(codec,
3770 mout->hp_out_nid[i],
3771 stream_tag, 0, format);
3772
3773
3774 for (i = 1; i < mout->num_dacs; i++) {
3775 if (chs >= (i + 1) * 2)
3776 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3777 i * 2, format);
3778 else if (!mout->no_share_stream)
3779 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3780 0, format);
3781 }
3782
3783
3784 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3785 int ch = 0;
3786 if (!mout->extra_out_nid[i])
3787 break;
3788 if (chs >= (i + 1) * 2)
3789 ch = i * 2;
3790 else if (!mout->no_share_stream)
3791 break;
3792 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3793 stream_tag, ch, format);
3794 }
3795
3796 return 0;
3797}
3798EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3799
3800
3801
3802
3803
3804
3805int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3806 struct hda_multi_out *mout)
3807{
3808 const hda_nid_t *nids = mout->dac_nids;
3809 int i;
3810
3811 for (i = 0; i < mout->num_dacs; i++)
3812 snd_hda_codec_cleanup_stream(codec, nids[i]);
3813 if (mout->hp_nid)
3814 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3815 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3816 if (mout->hp_out_nid[i])
3817 snd_hda_codec_cleanup_stream(codec,
3818 mout->hp_out_nid[i]);
3819 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3820 if (mout->extra_out_nid[i])
3821 snd_hda_codec_cleanup_stream(codec,
3822 mout->extra_out_nid[i]);
3823 mutex_lock(&codec->spdif_mutex);
3824 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3825 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3826 mout->dig_out_used = 0;
3827 }
3828 mutex_unlock(&codec->spdif_mutex);
3829 return 0;
3830}
3831EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3842{
3843 unsigned int pincap;
3844 unsigned int oldval;
3845 oldval = snd_hda_codec_read(codec, pin, 0,
3846 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3847 pincap = snd_hda_query_pin_caps(codec, pin);
3848 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3849
3850 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3851 return AC_PINCTL_VREF_80;
3852 else if (pincap & AC_PINCAP_VREF_50)
3853 return AC_PINCTL_VREF_50;
3854 else if (pincap & AC_PINCAP_VREF_100)
3855 return AC_PINCTL_VREF_100;
3856 else if (pincap & AC_PINCAP_VREF_GRD)
3857 return AC_PINCTL_VREF_GRD;
3858 return AC_PINCTL_VREF_HIZ;
3859}
3860EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3861
3862
3863
3864
3865
3866
3867
3868unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3869 hda_nid_t pin, unsigned int val)
3870{
3871 static const unsigned int cap_lists[][2] = {
3872 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3873 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3874 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3875 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3876 };
3877 unsigned int cap;
3878
3879 if (!val)
3880 return 0;
3881 cap = snd_hda_query_pin_caps(codec, pin);
3882 if (!cap)
3883 return val;
3884
3885 if (val & AC_PINCTL_OUT_EN) {
3886 if (!(cap & AC_PINCAP_OUT))
3887 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3888 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3889 val &= ~AC_PINCTL_HP_EN;
3890 }
3891
3892 if (val & AC_PINCTL_IN_EN) {
3893 if (!(cap & AC_PINCAP_IN))
3894 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3895 else {
3896 unsigned int vcap, vref;
3897 int i;
3898 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3899 vref = val & AC_PINCTL_VREFEN;
3900 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3901 if (vref == cap_lists[i][0] &&
3902 !(vcap & cap_lists[i][1])) {
3903 if (i == ARRAY_SIZE(cap_lists) - 1)
3904 vref = AC_PINCTL_VREF_HIZ;
3905 else
3906 vref = cap_lists[i + 1][0];
3907 }
3908 }
3909 val &= ~AC_PINCTL_VREFEN;
3910 val |= vref;
3911 }
3912 }
3913
3914 return val;
3915}
3916EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3932 unsigned int val, bool cached)
3933{
3934 val = snd_hda_correct_pin_ctl(codec, pin, val);
3935 snd_hda_codec_set_pin_target(codec, pin, val);
3936 if (cached)
3937 return snd_hda_codec_write_cache(codec, pin, 0,
3938 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3939 else
3940 return snd_hda_codec_write(codec, pin, 0,
3941 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3942}
3943EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957int snd_hda_add_imux_item(struct hda_codec *codec,
3958 struct hda_input_mux *imux, const char *label,
3959 int index, int *type_idx)
3960{
3961 int i, label_idx = 0;
3962 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
3963 codec_err(codec, "hda_codec: Too many imux items!\n");
3964 return -EINVAL;
3965 }
3966 for (i = 0; i < imux->num_items; i++) {
3967 if (!strncmp(label, imux->items[i].label, strlen(label)))
3968 label_idx++;
3969 }
3970 if (type_idx)
3971 *type_idx = label_idx;
3972 if (label_idx > 0)
3973 snprintf(imux->items[imux->num_items].label,
3974 sizeof(imux->items[imux->num_items].label),
3975 "%s %d", label, label_idx);
3976 else
3977 strscpy(imux->items[imux->num_items].label, label,
3978 sizeof(imux->items[imux->num_items].label));
3979 imux->items[imux->num_items].index = index;
3980 imux->num_items++;
3981 return 0;
3982}
3983EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
3984
3985
3986
3987
3988
3989void snd_hda_bus_reset_codecs(struct hda_bus *bus)
3990{
3991 struct hda_codec *codec;
3992
3993 list_for_each_codec(codec, bus) {
3994
3995 if (current_work() != &codec->jackpoll_work.work)
3996 cancel_delayed_work_sync(&codec->jackpoll_work);
3997#ifdef CONFIG_PM
3998 if (hda_codec_is_power_on(codec)) {
3999 hda_call_codec_suspend(codec);
4000 hda_call_codec_resume(codec);
4001 }
4002#endif
4003 }
4004}
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4015{
4016 static const unsigned int bits[] = { 8, 16, 20, 24, 32 };
4017 int i, j;
4018
4019 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4020 if (pcm & (AC_SUPPCM_BITS_8 << i))
4021 j += scnprintf(buf + j, buflen - j, " %d", bits[i]);
4022
4023 buf[j] = '\0';
4024}
4025EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4026
4027MODULE_DESCRIPTION("HDA codec core");
4028MODULE_LICENSE("GPL");
4029